these organs. Epithelial tissues help in absorption of water & nutrient. Epithelial tissues help in elimination of waste product. There are different types of epithelial tissue‚ in different shapes for different things and areas: Squamous epithelium. Squamous cells are very thin and flat. Squamous cells nucleus tends to be horizontal flattened‚ elliptical because of the thin flattened form of the cell‚ it just forms a lump in the centre. . They form the lining of cavities such as the mouth
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Histology Review Supplement The slides in this section are designed to provide a basic histology review related to topics introduced in the PhysioEx lab simulations and in your anatomy and physiology textbook. From the PhysioEx main menu‚ select Histology Tutorial. The opening screen should appear after a few seconds. The Sort by menu is located at the top left. Click on the white drop-down menu and select “Histology Review” from the list. You will note that the slides in the histology module are
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is related to the functions. Simple cuboidal epithelium is found in glandular tissue and in the kidney tubules. The function of the tissue is to line the stomach and intestines c. List the three different shapes of epithelial tissue. Epithelial cells may be squamous‚ cuboidal‚ or columnar in shape and may be arranged in single or multiple layers. d. Draw pseudostratified columnar tissue below. e. Where is this type of tissue found? Epithelium is found in glandular tissue and in the kidney
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or more different type of tissues. Each of them has specific function and usually has recognizable shape. Epithelial tissue consists of cell arranged in continuous sheets‚ in either single or multiple layers. Simple epithelium is a single layer of cells. Pseudostratified epithelium appears to have multiple layers of
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amount of flexibility and elasticity. Selected Answer: False Question 2 0.5 out of 0.5 points ________ epithelium appears to have two or three layers of cells‚ but all the cells are in contact with the basement membrane. Selected Answer: Pseudostratified columnar Question 3 0.5 out of 0.5 points A many-layered epithelium with cuboidal basal cells and flat cells at its surface would be classified as ________. Selected Answer: stratified
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Nervous tissue and muscular tissue are considered excitable tissues because they are very sensitive to outside stimuli. A simple epithelium consists of a single layer of cells with every cell touching the basement membrane. A stratified epithelium consists of 2 or more layers of cells with only the deepest layer of cells touching the basement membrane. The cells of an epithelium can be squamous (flat)‚ columnar (tall and narrow)‚ or cuboidal (round or cubed). Goblet cells are unicellular glands that
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‘scaly’ in reference to flatness of the cells. They fit closely together. As these cells are rather delicate they cannot offer much protection and their main function is to allow materials pass through via diffusion and osmosis. Simple squamous epithelium is found within the walls of: -lung alveoli -blood capillaries -Bowman’s capsule of nephrons Cuboidal epithelial cells are normally cube-shaped with spherical nuclei. They often line ducts and tube and allow other materials to pass through in a
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simple cuboidal. Notice the cross walls are so thin they seldom are seen with the light microscopes. All you observe is a group of large nuclei in a circle. D. Stratified Cuboidal: (skin slide). Unlike simple cuboidal‚ stratified cuboidal epithelium always make tubes with usually 2 but no more than 3 rows of cells. The only stratified cuboidal cells you will see this semester will be the cells that make a sweat gland. The sweat gland is unique because some of the cells are active glandular
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are exposed to the outside world. For example‚ mucous membrane is present in the nose‚ respiratory tract‚ male and female reproductive systems‚ stomach and intestines. Epithelium of mucous membrane is attached to lamina propria‚ a loose connective tissue layer that stabilizes the epithelium in place. Goblet cells in the epithelium make mucus which is a liquid that protects the mucous membrane and prevents excessive friction. Therefore‚ when food goes down the esophagus into stomach and intestines
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hemidesmosomes b. zonula adherens c. zonula occludens d. gap junction e. Desmosomes 6. What type of epithelial tissue is found in the kidney tubules? a. simple cuboidal epithelium b. simple columnar epithelium c. stratified squamous epithelium d. pseudostratified ciliated columnar epithelium e. transitional epithelium 7. The secretions of endocrine glands are released directly a. onto the skin surface. b. into the bloodstream. c. into a gland duct. d. into the nervous tissue. e
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